Implement support for disabling sync through configuration management.

chrome/browser/cocoa/browser_window_controller.mm

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/cocoa/browser_window_controller.h"
 
 #include <Carbon/Carbon.h>
 
 #include "app/l10n_util_mac.h"
 #include "base/mac_util.h"
@@ skipping 860 matching lines @@
           enable &= [self supportsFullscreen];
           if ([static_cast<NSObject*>(item) isKindOfClass:[NSMenuItem class]]) {
             NSString* menuTitle = l10n_util::GetNSString(
                 [self isFullscreen] ? IDS_EXIT_FULLSCREEN_MAC :
                                       IDS_ENTER_FULLSCREEN_MAC);
             [static_cast<NSMenuItem*>(item) setTitle:menuTitle];
           }
           break;
         }
         case IDC_SYNC_BOOKMARKS:
-          enable &= ProfileSyncService::IsSyncEnabled();
+          enable &= browser_->profile()->IsSyncAccessible();
           sync_ui_util::UpdateSyncItem(item, enable, browser_->profile());
           break;
         default:
           // Special handling for the contents of the Text Encoding submenu. On
           // Mac OS, instead of enabling/disabling the top-level menu item, we
           // enable/disable the submenu's contents (per Apple's HIG).
           EncodingMenuController encoding_controller;
           if (encoding_controller.DoesCommandBelongToEncodingMenu(tag)) {
             enable &= browser_->command_updater()->IsCommandEnabled(
                 IDC_ENCODING_MENU) ? YES : NO;
@@ skipping 980 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isNormalWindow {
   return browser_->type() == Browser::TYPE_NORMAL;
 }
 
 @end  // @implementation BrowserWindowController(WindowType)